SICK VTF180-2P42419 Photoelectric sensors. SICK VTF180-2P42419 is a photoelectric sensors in the V180 family. SICK identifies this exact configuration as manufacturer article 6043811. The official technical record specifies Functional principle: Photoelectric proximity sensor; Functional principle detail: Energetic; Dimensions (W x H x D): 18 mm x 18 mm x 83.8 mm; Housing design (light emission): Cylindrical; Housing length: 83.8 mm; Optical axis: Radial. The linked SICK data sheet is specific to VTF180-2P42419.